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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: Guys...... posted by Vinnie on May 7, 2007 at 15:28:15:
Hi Vinney,you are now a very mature contributor with loads of experiencial learning behind you. I really liked your summing up.
I have been browsing your 211 questions above.
I don't go in for the 6c45 or any other high transconductance single driver solutions.
You do need to explore the 211, but if you can manage with the lower power output of the 300b try not to follow the high voltage schematics.
As you say every valve has a predominant sonic which forces itself on the design. This is as true of the rest of the valves in the circuit as of the output valve. For my money experiment with low voltage low bias but don't get all hung up on having to use super low impedance driver or special tecniques. There is a magic sound from the 211 low power at the turning point into a2, when combined with superb sounding other valves sheds the thin midrange (compared to 300b) and light bass characteristic of the 211 found in the convensional designs which seem duty bound to produce maximum available power from whichever output valve the design is for.
You can obtain a much better sound from the 211 used by thinking outside the box than any 300b builder will ever achieve.
It's a close held secret that all the circuits which maximise power from a particular output valve can be bettered in sound at the listening level by building an amp that has no hope of maximising power. Build for that level of listening you require.
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Follow Ups
- Re: Guys...... - Paul Barker 22:34:11 05/12/07 (2)
- on the 845 - Paul Barker 22:40:21 05/12/07 (1)
- On the VT4 ... - Naz 04:05:52 05/15/07 (0)
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